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Codimension bounds and rigidity of ancient mean curvature flows by the tangent flow at −∞
Communications in Contemporary Mathematics ( IF 1.6 ) Pub Date : 2021-01-06 , DOI: 10.1142/s0219199720500881 Douglas Stryker 1 , Ao Sun 1
Communications in Contemporary Mathematics ( IF 1.6 ) Pub Date : 2021-01-06 , DOI: 10.1142/s0219199720500881 Douglas Stryker 1 , Ao Sun 1
Affiliation
Motivated by the limiting behavior of an explicit class of compact ancient curve shortening flows, by adapting the work of Colding–Minicozzi[11], we prove codimension bounds for ancient mean curvature flows by their tangent flow at − ∞ . In the case of the m -covered circle, we apply this bound to prove a strong rigidity theorem. Furthermore, we extend this paradigm by showing that under the assumption of sufficiently rapid convergence, a compact ancient mean curvature flow is identical to its tangent flow at − ∞ .
中文翻译:
古代平均曲率流的余量界和刚度由-∞处的切线流动
受显式紧凑古代曲线缩短流的限制行为的启发,通过调整 Colding-Minicozzi [11]的工作,我们通过其切线流证明古代平均曲率流的余维界 - ∞ . 在这种情况下米 -覆盖圆,我们应用这个界来证明一个强刚性定理。此外,我们通过表明在足够快速收敛的假设下扩展了这一范式,紧凑的古代平均曲率流与其在 - ∞ .
更新日期:2021-01-06
中文翻译:
古代平均曲率流的余量界和刚度由-∞处的切线流动
受显式紧凑古代曲线缩短流的限制行为的启发,通过调整 Colding-Minicozzi [11]的工作,我们通过其切线流证明古代平均曲率流的余维界